YMMV / Changed

• Accidental Innuendo: Several transfur scenes look more than a bit suggestive, particularly ones involving the Snow Leopards, who are established to be Abhorrent Admirers. It got to the point that DragonSnow himself had to confirm nothing sexual occurs during the infamous transfurs.
• Adaptation Displacement: The game uses RPG Maker's stock "poison" sound effect for various transfurs. Good luck finding anyone who doesn't know it better as a (or the) "Changed sound".
• Adorkable: Puro dotes on Colin quite a bit, being fond of humans after spending an unknown amount of time reading about them. His awkward attempts to help Colin escape and his interactions with the protagonist help make him quite endearing both to the latter and the player.
• Awesome Music: The game's soundtrack by Shizi has some fantastic and catchy chiptunes. The Dark Latex wolves zone that sounds like something out of Metal Gear Solid, from the dragon's Crystal Cave level that is reminiscent of Contra, to the Big Fun action that is fighting The Behemoth.
• Best Known for the Fanservice: The game is best known for its...very detailed "death" scenes and post-transfur images. Ask anyone who heard about or played it for a summary and the reply generally boils down to "(latex) furry transformation (fetish) game". Not that they are wrong...
• Demonic Spiders: Normally this is redundant considering this is a Nintendo Hard game with Everything Trying to Kill You, but somehow the white latex blobs (Circle) in the original version of Changed manage to be this. They hang from the ceiling in groups, and they slowly follow after you. Due to the cramped layout of the rooms they'll cut off your path of escape surprisingly quickly, and have quirky Hitbox Dissonance. Thankfully the Special Edition addresses this problem by having them patrolling a fixed area, instead of homing in on you constantly.
• Ensemble Dark Horse: Various characters have had a positive reception, but the Tiger Shark and Squid pup/dog enemies, especially the latter with their Ridiculously Cute Critter hybrid designs, have proven to be very popular throughout online communities, even among circles who've never even heard of the game. Recognizing this, the developer has given them a much more expanded role in the Special Edition.
• Esoteric Happy Ending: The "Can't decide" or "ESC" ending can be summed up as such unless you pull some mental gymnastics. Dr. K will administer Colin the same transfur mutagen he administered on himself long ago in order to eradicate the Pale Virus from the protagonist's body. Puro happily appears and reveals he acquired a "biorobot" so they can both go Walking the Earth together. The other endings and lore have established Puro's sentience cannot survive without absorbing a human host. Now consider what a "biorobot" is.
• Fanfic Fuel:
  • The aftermath of the Golden Ending.^note Colin gets turned into a light-latex wolf but keeps his mind, and he and Puro head out of the lab together into the ruined world.
  • Quite a few of the transfur sequences leaving it ambiguous whether the human suffers Death of Personality, or is still mentally intact.
  • Several latex creatures being friendly or neutral to the human instead of hunting them.
  • One of the bad endings has Colin get turned into another dark latex wolf like Puro while keeping his mind, allowing him and Puro to live and explore the lab together.
  • A different bad ending has Colin get turned into a white latex, and recover his personality but lose almost all of his memories. Said ending has Puro promise to teach Colin how to speak and think again while claiming to never abandon the former human again.
  • Most of the light latex beasts only target the human Colin and completely ignore the dark latex Puro, despite the Animal Jingoism the light and dark latexes supposedly have, leading one to wonder what would have happened if Colin wore the dark latex wolf outfit for the entire game.
• Fan Nickname: Many of the colorful cast of monsters not based on a fursona have no official name according to the creator, who is happy for the fandom to call characters like the Player Character monster escaping the lab "Tail" or "Six-Eyes" and so on.
• Foe Yay Shipping: The Tiger Shark and Squid Dog are also often shipped in fanart, despite them being essentially rivals during the original game. The Fandom got the Approval of God for the Special Edition where their relationship is much more intimate (if the player avoids an earlier bad ending).
• Funny Moments: Has its own page.
• Game-Breaker: The August 2022 update of the Special Edition adds the ability to give Colin a Heroic Second Wind. By pressing 'W' the screen darkens, a Heartbeat Soundtrack overrides the level BGM and the player can now temporarily sprint, leaving any chasing monsters in the dust. Though you can still come unstuck (or accidentally reset your game by pressing 'Q'), you'll breeze past most boss encounters.
• Good Bad Translation: Because the game's English translation has been through changes, there's bound to be some strange but comedic quotes that can unintentionally become risque, even moreso if taken out of context.^*Puro (Special Edition, May 2020 build(?)): If I have sex, then I should be male^*"... I'm so lonely, finally I have the right to speak Elephant, I accidentally said a lot"
  Puro: ...Eh, eh...Ah!? ...Human!!? Are you serious!? Right in front of me!?
• Germans Love David Hasselhoff: Judging by the fanart, Japan loves this game. They even have a fan manga on sale!
• Shipping: Colin and Puro are often shipped as lovers in fanart when they are Just Friends in the Golden Ending, with no Unresolved Sexual Tension.
• Heartwarming Moments: Has its own page.
• Ho Yay: It's not hard to read Colin and Puro's interactions as romantic. Puro can get a little touchy-feely with him, especially in the Special Edition, and Colin has the option to pet Puro and play with his ears during one of his naps. In some translations, Dr. K even refers to their interactions derogatorily as 'flirting'. In fact, if you step in one of the goo puddles in the library where you first meet Puro, the latex-ized Colin seems to self-consciously flirt with him (although in that case, it's arguably no longer this trope at play).
• It Was His Sled:
  • As the game got popular, and promotional artwork circulated, everyone knew Dr. K was a former-human who transfurred himself, spoiling The Reveal in the last-third of the game.
  • In the original game, it was also a twist that the game occurs After the End, years after The Plague wiped out the Earth. As the game got more popular, this 'twist' became more common knowledge.
• Just Here for Godzilla: A lot of players were unabashedly more determined in getting assimilated, by each and every furry goo creature to become one of them, rather than playing the game for its difficult challenge. You can watch these compilation videos on YouTube.
• Narm Charm: The script being filled to the brim with spelling and grammar errors has made various quotes very memorable.
  • Some of the Stock Sound Effects are rather silly, and should take away from the drama, but end up actually enhancing it to a degree.
• Nightmare Fuel: Has its own page.
• Nightmare Retardant: While logically you should be scared whenever Colin gets assimilated, the subsequent descriptions from the narration and/or picture shown can be stuff that would be something straight out of Lemons. Given what kind of person DragonSnow is, it is practically an Intended Audience Reaction.
• Paranoia Fuel: The transfurred beasts are practically everywhere. They can burst from the vents, pass themselves as puddles on the floor or even drop from the ceiling. Watch your step...
• Popular with Furries: Between the wolf design of Puro, Colin's transformed form, the many scenes that appeal to popular fetishes in the fandom, and use of the word "transfur" it's no wonder why the Furry Fandom went nuts over this game. It also helps that the artist and creator of the game is also a furry.
• Player Punch: Puro getting killed by Doctor K, ending up as a puddle of goo that births a new generation of dark latex pups. This can be averted, providing you take care of your friend, but the player probably won't know how to on their first play-through.
• Remade and Improved: The Special Edition features a graphics overhaul, new levels, characters, mechanics, and significant changes to the plot. Released in April 2020 to commemorate the game's second anniversary, The Steam version is an early access beta, to get the latest updated version you have to support the developer's Patreon. This deluxe version rebalances some of the difficulty in the original version, which could suddenly go from Nintendo Hard to just plain unfair with the RNG of enemy placements, attacks and erratic Hitbox Dissonance at times. It's also kinder to low-spec computers that encounter key ghosting problems.
• Squick: Aside from enveloping and engulfing humans, the light-latex creatures also aren't shy about forcing their 'transfurmations' upon their prey in bizarre ways. Examples include the host's body breaking down into a Multiple Head Case where the secondary head forces their latex goo down the primary's mouth, or from the white-latex monsters forming an umbilical cord to inject and pump their assimilating matter into Colin via his navel.
• Tear Jerker: Has its own page.
• That One Boss:
  • Squid Dog in the original game was RNG-heavy because his tentacles had a habit of spawning too close to you at the battle's beginning. Survive that, and they'll mercilessly chase after you around the narrow arena. The fight only becomes more manageable, after Stop Hitting Yourself makes them despawn one-by-one.
  • Tigershark is far more formidable in the Special Edition. You must knockout his minions by luring them to collide into floating oxygen canisters, before the boss gives chase. These cylinders and sharks both appear randomly, so sometimes are too far apart. Worse still, you can accidentally despawn those needed cylinders, by bumping into them, if they appear next to you. If that weren't enough, Tigershark now plays a game of Stealth Hi/Bye with you, appearing right in front of where Colin's wading. The timing on this is strict - You must not change direction, until you get the boss's second visual splash cue. Another kicker is if the boss forces Colin too close to the arena's edge, the monster will often juke you and do the exact opposite ^note Some good strategies to avoid neighbour complaints are cheesing its first attack phase by staying down the bottom-right corner of the room. It will reappear in the middle, so long as you don't move. Also, you can trick Tigershark into getting stuck on the garbage pile in the bottom-left corner of his room. Handy for putting distance between you during his first-round of Stealth Hi/Bye, but not recommended during his final phase.
  • The newest boss, the Gargoyle Chess Court, is by far one of the most difficult bosses in the whole game. Mainly because there are several of them, and their leader happily breaks her own rules to get at Colin. First they move by the rules of chess but the space is cramped, there isn't a whole lot of wiggle room to avoid the gargoyle's attacks. Secondly each chess piece has their own gimmick, Pawns move one space at a time (and diagonally if they can attempt a capture) but undergo Field Promotion if they reach the bottom of the screen, turning them into Queens and causing them to charge in straight lines as far as they can go, Bishops move only in diagonals, Knights can't be blocked by other pieces, making things hectic if one joins alongside other pieces, finally the Rooks move in straight lines. The King is the real pain, she combines with her Queen, allowing her to move an extra space after her Queen moves, she also pulls the castling move if she gets her Rook out while going after you. All in all you have to worry about multiple attacks coming at you from various angles, trying to get the Queens out quickly and one at a time, and the leader actively cheating, have fun!
• That One Level: Stiger's lair. The game already has a Nintendo Hard difficulty as all monsters are a One-Hit Kill. Stiger's lair still manages to be a very tough, dark narrow claustrophobic area, where just one wrong turn or mistimed step will result in an instant game over. There's only one save point as well. Even Word of God said it was challenging and took them just as long to design it as completing a No-Damage Run.
• That One Puzzle: The robot puzzle in Dr. K's laboratory in the original version. The damn thing can never go where you want it to (without abusing the way RPG Maker's movement system works), even though you know it's only mimicking your movements. You're restricted by gas and white latex blobs hanging from the ceiling that follow after you. Everytime you go near the bottom of the screen to check on the robot's progress, as its always getting stuck on something, the camera tries to shift away the centre of attention from yourself which can get you assimilated. Mercifully, the door buttons have been tweaked for the Special Edition, now having a one-second delay before deactivating again whenever Colin or the roomba aren't holding them down.
• Unintentionally Unsympathetic: Doctor K's limited number of expressions in Changed, especially in the "Captured" ending, may come off as being sadistic towards Colin. This is hardly helped by his portrait depicting him as gleeful when he speaks to Colin during brain modification.
• They Wasted a Perfectly Good Plot: Having 'transfurmation' result in Death of Personality does deny the player the fun potential of taking advantage of their transfurred forms to solve puzzles in unique ways, and just do more with the quasi-fanservice than be just, well, fanservice.
• The Woobie: Puro in the expanded Special Edition is sympathetically lonely; desperate for a companion, the monster even feared finally meeting Colin if the human didn't like him. The latex wolf often chews himself out for not being strong enough to leave the megastructure, or brave enough to confront the threats ahead, all on his own. Even as he matures into an Iron Woobie of a Noble Wolf in protecting the player, Puro still humbly slips in and out of Heroic Self-Deprecation.

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